How big is the 2020 Buick Regal Sportback Preferred II FWD's fuel tank? How efficient is a 2020 Buick Regal Sportback Preferred II FWD? The 2020 Buick Regal Sportback Preferred II FWD has a 62 L ...

Engine 3.6L V6 Gas Horsepower 310 hp Fuel Economy 19/27 ... as it was larger and built as a liftback sedan. 2020 Buick Regal GS Specs The 2020 Buick Regal GS is, by far, the most powerful Regal ...